
1) Phosphate mineral
Found on
https://www.crosswordclues.com/clue/hagendorfite

Hagendorfite is an iron phosphate mineral with the chemical formula of (Na,Ca)MnFe2(PO4)3 and is named after where the mineral was discovered, Hagendorf-Süd, Bavaria, Germany. Hagendorfite is in the monoclinic crystal class; the mineral`s internal symmetry consists of three axes with unequal length. Furthermore, the angles between two of the axe....
Found on
http://en.wikipedia.org/wiki/Hagendorfite
No exact match found.